<template>
  <div class="goodsinfo-container">
 <transition 
 @before-enter="beforeEnter"
 @enter="enter"
 @after-enter="afterEnter">
    <div class="ball" v-show="ballFlag" ref="ball"></div>
 </transition>
  <!-- 商品轮播区 -->
  <div class="mui-card">
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
            <swiper :lunbotuList='lunbolist' :isfull="false"></swiper>
					</div>
				</div>
			</div>
  <!-- 商品购买区 -->
  <div class="mui-card">
				<div class="mui-card-header">{{goodsinfo.title}}</div>
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
					<p class="price">
            市场价：<del>￥{{goodsinfo.market_price}}</del> &nbsp;&nbsp;销售价：<span class="now_price">￥{{goodsinfo.sell_price}}</span>
          </p>
          <p>购买数量：
        <numbox @getcount="getSelectedCount" :max="goodsinfo.stock_quantity"></numbox>
          </p>
          <p>
            <mt-button type="primary" size="small">立即购买</mt-button>
            <mt-button type="danger" size="small" @click="addToShopCart" >加入购物车</mt-button>
          </p>
					</div>
				</div>
			</div>
  <!-- 商品参数区 -->
  <div class="mui-card">
				<div class="mui-card-header"></div>
				<div class="mui-card-content">
					<div class="mui-card-content-inner">
						<p>商品货号：{{goodsinfo.goods_no}}</p>
						<p>库存情况：{{goodsinfo.stock_quantity}}件</p>
						<p>上架时间：{{goodsinfo.add_time|dateFormat}}</p>
					</div>
				</div>
				<div class="mui-card-footer">
           <mt-button type="primary" size="large" plain @click="godesc(id)">图文介绍</mt-button>
            <mt-button type="danger" size="large" plain @click="gocomment(id)">商品评论</mt-button>
        </div>
			</div>
  </div>
</template>

<script>
import swiper from '../subcomponents/swiper.vue'
import numbox from '../subcomponents/goodsinfo_numbox.vue'
export default {

  data () {
    return {
      id:this.$route.params.id,
      lunbolist:[],
      goodsinfo:[],
      ballFlag:false,
      selectedCount:1
    }
  },

  methods: {
    getLunbo(){
      this.$http.get("api/getthumimages/"+this.id).then(result=>{
        if(result.body.status==0){
          // console.log(result.body.message);
          result.body.message.forEach(item => {
            item.img=item.src;
          });
          this.lunbolist=result.body.message
        }
      })
    },
    getGoodsInfo(){
      this.$http.get("api/goods/getinfo/"+this.id).then(result=>{
        if(result.body.status==0){
          this.goodsinfo=result.body.message[0]
        }
      })
    },
    godesc(id){      
      this.$router.push({name:'goodsdesc',params:{id}})
    },
    gocomment(id){
      this.$router.push({name:'goodscomment',params:{id}})

    },
    addToShopCart(){
      this.ballFlag=!this.ballFlag
      var goodsinfo={
        id:this.id,
        count:this.selectedCount,
        price:this.goodsinfo.sell_price,
        selected:true
      }
      // 调用store中的mutations中的方法
      this.$store.commit("addToCar",goodsinfo)
    },
    beforeEnter(el){
      el.style.transform="translate(0,0)"
    },
    enter(el,done){
      el.offsetWidth
      const ballPosition=this.$refs.ball.getBoundingClientRect();
      const badgePosition=document.getElementById("badge").getBoundingClientRect();
      const x=badgePosition.left-ballPosition.left;
      const y=badgePosition.top-ballPosition.top

      el.style.transform=`translate(${x}px,${y}px)`
      el.style.transition="all 1s ease"
      done()
    },
    afterEnter(el){
      this.ballFlag=!this.ballFlag
    },
    getSelectedCount(count){
      this.selectedCount=count;
    }
  },
  created () {
    this.getLunbo()
    this.getGoodsInfo()
  },
  components:{
    swiper,
    numbox
  }
}
</script>

<style lang='less'>
.goodsinfo-container{
  position: relative;
    .ball{
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background-color:red;
    z-index: 999999;
    position: absolute;
    left: 152px;
    top: 365px;
  }
  background-color: #eee;
  overflow: hidden;
}
.now_price{
  color: red;
  font-weight: 600;
}
.mui-card-footer{
  display: block;
  button{
    margin: 15px 0;
  }
}
</style>
